Consecutive-numbered concurrencies

[fillup420]

In NC, I-73 and I-74 run together for a good while. Also NC 904 and 905 share about 1/2 mile of pavement.

[jwolfer]

In Green Cove Springs FL .. SR 16 and U.S. 17 run together for about half a mile... It gets even better... The secret SR for much of US17 in Florida is SR15, although its unsigned. I wish it were. 15,16 and 17 all signed together would be cool

LGMS428

[roadman65]

US 6 & 7 in Danbury, CT.
Us 1 & 2 in Houlton, ME.
US 4 & 5 briefly in White River JCT, VT.
US 2 & 3 do in the White Mountains.

[TheHighwayMan3561]

Minnesota:

US 14/MN 15, New Ulm area
MN 27/MN 28. MN 28 silently ends in Little Falls along the duplex.
MN 28/MN 29, Glenwood to Starbuck
I-94/MN 95 in Afton

Not sure if MN 55 and MN 56 duplexed before MN 56 was eliminated north of Hampton.

[JJBers]

They don't overlap, but CT 31 starts at CT 32, and intersects with CT 30 shortly before ending

[jp the roadgeek]

MA 8 and MA 9 in Dalton
MA 8A and MA 9 from Dalton to Windsor
NH 9 and NH 10 in Keene
NH 10 and NH 11 in Newport (brief)
NH 11 and NH 12 from Charlestown to Claremont
NY 106 and NY 107 in Hicksville

[Eth]

GA 2 and GA 3 (and US 41/76) in Ringgold
GA 15 and GA 16 in Sparta
GA 26 and GA 27 (and US 341) in Hawkinsville
GA 30 and GA 31 (and US 280/441) in McRae
and probably some others (only checked up through 41)

[ilpt4u]

I-70 and I-71 in Downtown Columbus, OH

[hotdogPi]

I feel like this might be a duplicate thread.

MA 2 / US 3 in Cambridge
NH 107 / NH 108 in East Kingston
MA 110 / MA 111 in Harvard and Ayer (nowhere near the university called Harvard)
US 3 and US 4 in Boscawen, NH
MA 9 and MA 10 in Northampton

[dgolub]

NY 106/NY 107 in Hicksville
US 11/NY 12 in Watertown

[ilpt4u]

Not signed, but US 36 and IN 37 have to be concurrent on the I-465 Beltway, somewhere in Indy

Historically, US 51 and US 52 did have a concurrency, near Mendota, IL, but old US 51 became IL 251 when I-39 was built, and US 51 moved onto the new Freeway. US 52 and IL 251 still have the concurrency

And best I can tell from the Google Map, US 24 and IN 25 share a short concurrency south of Logansport, IN (also concurrent with US 35) on the "Exit" or Local Lanes of the "Hoosier Heartland Highway" (according to Google), which is IN 25 to the West of the short concurrency and US 24/35 to the East of the short concurrency

[csw]

IL-32 and IL-33 north of Effingham.

Also IN-64 and IN-65 west of Princeton, how could I forget?

[MNHighwayMan]

Not sure if MN 55 and MN 56 duplexed before MN 56 was eliminated north of Hampton.

They were. Pic is from a 1940 official highway map.

[7/8]

Here are two from my area:

Highways 6 and 7 in Guelph, ON


Highways 7 and 8 (no surprise here!) near New Hamburg, ON

[roadman65]

NJ 33 & 34 in Howell, NJ.

Oh US 79 & 80 in Shreveport, LA.  I even got a photo of it on my flickr.

[Big John]

WI 21 and 22, Wautoma
WI 22 and 23, Montello
WI 54 and 55, Seymour

[ilpt4u]

US 50 and US 51 in Sandoval, IL

IN-45 and IN-46 in Bloomington

IN-57 and IN-58 in Elnora

IN-57 and IN-56 in Petersburg

[CNGL-Leudimin]

Bus US 60, US 61 and US 62 in Sikeston MO.
US 270 and US 271 West of Wister OK.

[ilpt4u]

IL-116 and IL-117 in Roanoke

[jp the roadgeek]

CT 173 and CT 174 in Newington (very brief)

[hbelkins]

I was on the concurrency of KY 9 and KY 10 yesterday.

[Ian]

US 201 and US 202 have a concurrency in Augusta, ME.

Also in Maine, ME 15 and ME 16 have a concurrency between Dover-Foxcroft and Abbot.

[Takumi]

VA 137 and 138. They even end concurrently.

[ilpt4u]

IN-61 and IN-62 in Boonville

[Darkchylde]

US 69 and I-70 in KCK, and then I-70 and US 71 in KCMO.